The .358 Winchester / 9.1x51mm is a .35 caliber rifle cartridge based on a necked up .308 Winchester created by Winchester in 1955. The cartridge is also known in Europe as the 9.1x51mm.

While these are both excellent deer cartridges, attempting to include the .358 Winchester in their class does it a great injustice. The .358 is clearly a much more powerful cartridge, capable of taking a …

Jul 26, 2023 · What’s a .358 Winchester? The .358 Winchester is, essentially, a necked-up .308 Winchester. It was developed for Winchester’s Model 70 bolt-action and Model 88 lever-action, and …

Shooting heavier and larger .358″ (9.1mm) diameter bullets, but still fitting in a relatively compact package like the .308 Winchester, the .358 Winchester had a lot of potential.

Jul 7, 2024 · Introduced in 1955, it is simply a necked-up .308 Winchester. The .358 Win. generates more velocity than the much larger .35 Winchester ever could and does it from a much smaller case....

The .308 case was necked up to .358” to create the .358 Winchester. In its first year of production the .358 was chambered in the new scaled down compact Model 70 rifle that had been designed to …

Jul 31, 2024 · Introduced in 1955, the .358 Winchester shares a good number of the dimensional attributes of the .308 Winchester, including the .473-inch-diameter case head, a case length of 2.018 …

Jan 28, 2019 · The .358 Winchester is one of the best commercial (non-magnum) .35-caliber cartridges turned out by any American manufacturer. It’s a big improvement over the .35 Remington, slightly …

Nov 21, 2025 · At its core, the .358 Winchester is a very simple idea. The designers took a .308 Winchester cartridge and necked it up to handle a .358-caliber projectile. The increase in diameter …

Jul 18, 2025 · Bill Wilson has given new life to the great .358 Winchester cartridge with his Nula Model 20 rifle and Lehigh Defense ammunition.